*{
    padding: 0;
    margin: 0;
}

body{
    background-color: rgba(0,255,255,0.5);
}



#toHovor{
    width: 50px;
    height: 50px;
    background-color: rgba(0,200,255,0.4);
    border-radius: 50px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    transition: 0.5s;
    text-align: center;
    z-index: 999;
}

input{
    padding: 2px;
    border: none;
    display: inline-block;
    outline: none;
    width: 300px;
    margin-top: 30px;
    height: 30px;
    border-radius: 10px;
    font-size: 20px;
    font-family: 黑体;
    text-indent: 1em;
    flood-opacity: 0.8;
    background-color: rgba(0,160,255,0.2);
    border-left: 2px solid rgba(0,100,255,0.3);
    border-top: 2px solid rgba(0,100,255,0.3);
    /*box-shadow: rgba(0,50,255,0.5) 2px 2px 8px;*/
}

input[type=text]{
    margin-top: 80px;
}

input[type=submit]{
    color: gold;
    background-color: rgba(0,0,255,0.2);
    text-indent: 0;
}

#toHovor:hover {
    width: 500px;
    height: 300px;
    border-top: 2px solid rgba(0,100,255,0.3);
    border-left: 2px solid rgba(0,100,255,0.3);
    box-shadow: rgba(0,50,255,0.5) 5px 3px 10px;
}


canvas{
    z-index: 0;
}